A guy without many everyday worries finds a door floating in the ocean and soon suspects he is being followed. He discovers that it is himself that is following him and that the door allows him to travel back in time. He sets about trying to improve his life by changing his past; leaving himself notes all while trying to track down and correct the corrections his future self keeps trying to make.
After the tragic death of her husband, a soldier posted to Afghanistan, Bryony tries to build a new life for herself and her young son, James. Struggling with her own grief she fails to notice that James has become secretive and withdrawn, spending hours alone playing out death scenes with his toys. When things start to go missing and furniture is smashed Bryony blames James but when she confronts him she finds herself facing a reality more terrifying than any nightmare. As her world crashes around her Bryony realises that he ate a way to reconnect with her son she and James will be separated for ever.